Corrosion coupon holder



FIG. 1 is a front view of a corrosion coupon holder according to thepresent invention.

FIG. 2 is a rear view of the corrosion coupon holder of FIG. 1.

FIG. 3 is a front top perspective view of the corrosion coupon holder ofFIG. 1.

FIG. 4 is a rear top perspective view of the corrosion coupon holder ofFIG. 1.

FIG. 5 is a front view of a hub, seat, fastener, coupon combination ofthe corrosion coupon holder of FIG. 1, shown separately for clarity. Thedotted-fill used to illustrate the seat illustrates the difference inmaterial between the seat and the hub; and,

FIG. 6 is a rear view of a hub, seat, fastener, coupon combination ofthe corrosion coupon holder of FIG. 1, shown separately for clarity. Thedotted-fill used to illustrate the seat illustrates the difference inmaterial between the seat and the hub.

A side view of the corrosion coupon holder is deemed unnecessary in viewof FIGS. 1-6.

CLAIM The ornamental design for a corrosion coupon holder, as shown anddescribed.